@unpublished{hounkonnou:hal-03557495, TITLE = {{Conservation laws for under determined systems of differential equations}}, AUTHOR = {Hounkonnou, Mahouton Norbert and Sielenou, Pascal Dkengne}, URL = {https://inria.hal.science/hal-03557495}, NOTE = {working paper or preprint}, YEAR = {2022}, MONTH = Feb, KEYWORDS = {Adjoint equation ; nonlinear differential equation ; variational problem ; Lagrangian ; symmetry ; conservation laws ; Ginzburg-Landau system}, PDF = {https://inria.hal.science/hal-03557495/file/cipma-paper-conservation-laws.pdf}, HAL_ID = {hal-03557495}, HAL_VERSION = {v1}, }